Retainer for cutting bit

Details Retainer for cutting bit Retainer for cutting bit

2007-05-01

2007-05-01

Singh, Sunil (Department: 3673)

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Rolling or rotatable-type bit mount

Reexamination Certificate

active

11112197

ABSTRACT:
A retainer for use in conjunction with a cutting bit wherein the cutting bit includes a shank that contains a recess therein. The retainer includes a generally cylindrical retainer body that has opposite ends and a central longitudinal axis. The retainer body has a generally arcuate shape that defines an arc between the opposite ends thereof. The retainer body further includes at least one ear that projects in a radial outward direction. The retainer body is made from a material that has a grain direction wherein the direction of the grain runs generally parallel to the central longitudinal axis of the retainer body.

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